I was cutting the lawn, went over a small ***** off dirt and the tractor will not go forward or backward any more. Engine stalled. Upon resarting it stall when put into gear and the throttle applied. Any ideas?

Hi Marsh:
Sounds like an interesting situation.
There appears to be unrelated issues to resolve.
- Transmission - I'd be looking at the questions:
1) When I want to go forward does it go forward?
2) When I want to go backward does it do it?
If the answers are yes, then UI'd tend to be happy with the transmission.
- Engine - Questions to consider
1) Does it run totally fine on the level?
2) Does it only stall out when going downhill?
Yes answers would make me suspicious of a contaminated fuel problem that is getting into the fuel delivery system when the level of the fuel tank changes.

I'd start by draining and cleaning the carb AND completely draining the fuel tank. Replace the fuel filter, and start over with fresh gas.

Hope this helps;
Cheerfuls.
Time for me to go cut grass.

Sound like a safety switch has gone bad. Either the clutch or seat switch are bad.

Wiring is backwards

Went out to cut grass and the blades will not engage and when I put it in gear it does not move. Belts are intact. I cleaned the deck of dirt and grass. Still nothing. Just replaced the cable to engage the blades last year. Cable seems to be working.

You should be able to push it forwards as well as backwards. I had a similar problem (engine stalling) with mine. I found out if I half choke it, it will stay running. Transmission may still have a problem.

my husqvarna lth 120 will not move backwards or forwards

The person with the deep knowledge in gardening and machines can give you better suggestion of your problem. There are professionals too available that gives lawn mowing service and have knowledge about the machines used in the field too.
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Try rocking the mower forward and backward while you try to shift it.

the branch probably got cought in the belt that runs the rearend it may have caused it to come off check the drive belt

Ihave craftsman Lawn Tractor was cutting grass and it stop moving forward or backward. Can you help me